Pythagorean Theorem Calculator
Find the hypotenuse of a right triangle from its two legs.
Pythagorean Theorem Calculator
How it works
Find the hypotenuse of a right triangle from its two legs.
Formula and method
For a right triangle, a² + b² = c², so c = √(a² + b²). Use nonnegative lengths in the same unit.
When to use it
Enter values to check homework, verify a manual calculation, compare examples, or explore how each input changes the answer. Results update instantly, but you should still choose units and interpret the result in the context of your problem.
FAQ
How it works?
For a right triangle, a² + b² = c², so c = √(a² + b²). Use nonnegative lengths in the same unit.
Can I use decimal values?
Enter values to check homework, verify a manual calculation, compare examples, or explore how each input changes the answer. Results update instantly, but you should still choose units and interpret the result in the context of your problem.